cnvd - cnvd-2020-16519

cnvd-2020-16519

Vulnerability from cnvd

Title: Netkit telnet缓冲区溢出漏洞

Description:

Netkit telnet是一款使用在Linux平台中的telnet客户端程序。该程序主要用于使用TELNET协议与另一个主机进行交互通信。

netkit telnet 0.17及之前版本中的telnetd的utility.c文件存在缓冲区溢出漏洞。远程攻击者可利用该漏洞执行任意代码。

Severity: 高

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：

https://github.com/marado/netkit-telnet/tree/master/netkit-telnet-0.17

Reference: https://github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667ef8/telnet/telnetd/utility.c#L205-L216 https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html https://nvd.nist.gov/vuln/detail/CVE-2020-10188

Impacted products

Name
Netkit telnet <=0.17

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10188"
    }
  },
  "description": "Netkit telnet\u662f\u4e00\u6b3e\u4f7f\u7528\u5728Linux\u5e73\u53f0\u4e2d\u7684telnet\u5ba2\u6237\u7aef\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u4e3b\u8981\u7528\u4e8e\u4f7f\u7528TELNET\u534f\u8bae\u4e0e\u53e6\u4e00\u4e2a\u4e3b\u673a\u8fdb\u884c\u4ea4\u4e92\u901a\u4fe1\u3002\n\nnetkit telnet 0.17\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684telnetd\u7684utility.c\u6587\u4ef6\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\n\r\nhttps://github.com/marado/netkit-telnet/tree/master/netkit-telnet-0.17",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-16519",
  "openTime": "2020-03-10",
  "products": {
    "product": "Netkit telnet \u003c=0.17"
  },
  "referenceLink": "https://github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667ef8/telnet/telnetd/utility.c#L205-L216\r\nhttps://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10188",
  "serverity": "\u9ad8",
  "submitTime": "2020-03-09",
  "title": "Netkit telnet\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-10188 (GCVE-0-2020-10188)

Vulnerability from cvelistv5

Published

2020-03-06 14:07

Modified

2024-08-04 10:58

Severity ?

CWE

Summary

utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions.

References

▼	URL	Tags
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLU6FL24BSQQEB2SJC26NLJ2MANQDA7M/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7FMTRRQTYKWZD2GMXX3GLZV46OLPCLVK/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3VJ6V2Z3JRNJOBVHSOPMAC76PSSKG6A/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2020/05/msg00012.html	mailing-list, x_refsource_MLIST
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-telnetd-EFJrEzPx	vendor-advisory, x_refsource_CISCO
	https://lists.debian.org/debian-lts-announce/2020/08/msg00038.html	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpuApr2021.html	x_refsource_MISC
	https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html	x_refsource_MISC
	https://github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667ef8/telnet/telnetd/utility.c#L205-L216	x_refsource_MISC
	https://www.arista.com/en/support/advisories-notices/security-advisories/10702-security-advisory-48	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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